---
title: "Changes to Delete eval run"
method: DELETE
path: "/evals/{eval_id}/runs/{run_id}"
---

# Changes to Delete eval run

`DELETE /evals/{eval_id}/runs/{run_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 8 of 397 revisions.

- **2026-10-06** `e2f8d8cbc41f`: 3 info
- **2026-09-25** `d86203de41ae`: 4 breaking, 1 warning, 2 info
- **2026-09-08** `bb9b3b410112`: 2 info
- **2026-09-03** `9430b00d75b4`: 2 info
- **2026-08-14** `6ac2618eefd7`: 1 info
- **2026-05-13** `74cbcf73838f`: 2 breaking
- **2026-04-10** `7c540cce6eb3`: 2 breaking
- **2025-04-29** `6a6c681b1820`: 1 info

## Changes

- **2026-10-06** `e2f8d8cbc41f`: 3 info
  - added the optional property `error/misalignment/review_target` to the response with the `400` status
  - added the optional property `error/misalignment/review_target` to the response with the `404` status
  - added the optional property `error/misalignment/review_target` to the response with the `429` status
- **2026-09-25** `d86203de41ae`: 4 breaking, 1 warning, 2 info
  - removed the required property `code` from the response with the `404` status
  - removed the required property `message` from the response with the `404` status
  - removed the required property `param` from the response with the `404` status
  - removed the required property `type` from the response with the `404` status
  - removed the optional property `misalignment` from the response with the `404` status
  - added the non-success response with the status `400`
  - added the required property `error` to the response with the `404` status
- **2026-09-08** `bb9b3b410112`: 2 info
  - added the non-success response with the status `429`
  - added the optional property `misalignment` to the response with the `404` status
- **2026-09-03** `9430b00d75b4`: 2 info
  - added the optional property `error/misalignment` to the response with the `429` status
  - added the optional property `misalignment` to the response with the `404` status
- **2026-08-14** `6ac2618eefd7`: 1 info
  - added the non-success response with the status `429`
- **2026-05-13** `74cbcf73838f`: 2 breaking
  - response property `code` list-of-types was widened by adding types `null` to media type `application/json` of response `404`
  - response property `param` list-of-types was widened by adding types `null` to media type `application/json` of response `404`
- **2026-04-10** `7c540cce6eb3`: 2 breaking
  - response property `code` list-of-types was widened by adding types `null` to media type `application/json` of response `404`
  - response property `param` list-of-types was widened by adding types `null` to media type `application/json` of response `404`
- **2025-04-29** `6a6c681b1820`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/openai/apis/openapi/docs/evals/:eval_id/runs/:run_id/delete.md) - [API](https://skmtc.dev/openai/apis/openapi.md) - [Page](https://skmtc.dev/openai/apis/openapi/changes/evals/:eval_id/runs/:run_id/delete)